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Thread: Annealing with mini lathe

  1. #1
    Boolit Grand Master


    GregLaROCHE's Avatar
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    Feb 2018
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    Southern France by way of Interior Bush Alaska
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    Annealing with mini lathe

    I recently got a mini lathe. It’s been quite useful for a lot of things. The other day I was getting ready to anneal some brass my usual way by putting it in a socket turned by a drill motor and heated with a propane torch.

    Then I thought why not try to use the mini lathe. I took a length of a three piece cleaning rod and chucked it in the lathe. I installed a used bronze brush that would slip into the case easily. Turned on the lathe to a speed I liked and held the torch on it. It worked great. A lot easier than the drill and socket method in my opinion.

    Maybe someone else would like to try it.

  2. #2
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    Winger Ed.'s Avatar
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    Cool.
    I see any project as the perfect reason to buy more power tools.

    A while back, I scrounged a lathe.
    Doing a gazillion brass at a time, I put that de-burring tool that's about the size of your thumb in it.
    You can de-burr trimmed case mouths and GI primer pockets about as fast as you can talk about it.
    In school: We learn lessons, and are given tests.
    In life: We are given tests, and learn lessons.


    OK People. Enough of this idle chit-chat.
    This ain't your Grandma's sewing circle.
    EVERYONE!
    Back to your oars. The Captain wants to waterski.

  3. #3
    Boolit Grand Master

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    I have used my mini lathe to trim deburr and chamfer cases. Modify rims, turn dummy rounds I want to see from wood and make parts tooling. I used a couple machine screws and dowels to bolt a piece of 1/2 X 3/4 as wide as the top of the tailstock flat on it in this is a 1/4" 28 threaded hole. I then bored a split ring with cross bolt to fit the spindle and clamp on. spotted the hole thru the block and drilled a clearance hole in face of ring opposite the split. A couple nuts and length of threaded rod and my tailstock now has a dead stop to work with. Makes trimming and other operations a lot easier. With little change an indicator could be mounted also. I mount the trimmer cutter /pilot in the head stock and a case holder in the tailstock with the guard down I don't need to start and stop the machine back off pilot change case and trim next one. The above operations are a lot easier with the tool post and stud removed

  4. #4
    Boolit Master
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    I mounted my HF mini lathe on my loading bench as I found it was way to useful to have at hand rather than running back and forth to the shop for some reloading use. Besides I have two more lathes in the shop.

    I use Lee case trimmers with the cutter/pilot in the chuck and the case holder in a drill chuck in the tail stock. Just slide the tail stock until the cutter stops cutting, pull back and replace case and push in again. Switch cutter/pilot and case holder and deburr in and out.

    Also make sizer dies and other loading tools. Need to get a mill next.

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Abbreviations used in Reloading

BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
BT Boat Tail PL Power-Lokt SP Soft Point
C Compressed Charge PR Primer SPCL Soft Point "Core-Lokt"
HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
PSP Pointed Soft Point Spz Spitzer Point SBT Spitzer Boat Tail
LRN Lead Round Nose LWC Lead Wad Cutter LSWC Lead Semi Wad Cutter
GC Gas Check